2 9.5 points eBook Print References For each value of d.f. look up the value of Student's t in Appendix D for the stated level of confidence. How close is the t-value to the corresponding z-value (at the bottom of the column for d.f. = 00)? Use Appendix D and Excel to find the value of Student's t for the given level of confidence. (Round your answers to 4 decimal places.) (a-1) d.f. 40, 95% confidence. The value of Student's t (a-2) The z-value is close. O Yes O No (b-1) d.f. 80, 95% confidence. The value of Student's t (b-2) The z-value is close. ● Yes O No (c-1) d.f. = 100, 95% confidence. The value of Student's t

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Question
6
9.5
points
eBook
Calculate the standard error. May normality be assumed? (Round your answers to 4 decimal places.)
(a)
(b)
(c)
(d)
n = 27, TT= 0.32
n = 58, TT= 0.45
n = 119, π = 0.39
n = 359, TT = 0.004
Standard Error
Normality
No
No
Yes
No
Transcribed Image Text:6 9.5 points eBook Calculate the standard error. May normality be assumed? (Round your answers to 4 decimal places.) (a) (b) (c) (d) n = 27, TT= 0.32 n = 58, TT= 0.45 n = 119, π = 0.39 n = 359, TT = 0.004 Standard Error Normality No No Yes No
2
For each value of d.f. look up the value of Student's t in Appendix D for the stated level of confidence. How close is the t-value to the
corresponding z-value (at the bottom of the column for d.f. = 00)?
Use Appendix D and Excel to find the value of Student's t for the given level of confidence. (Round your answers to 4 decimal places.)
(a-1) d.f. 40, 95% confidence.
9.5
points
eBook
Print
References
The value of Student's t
(a-2) The z-value is close.
O Yes
O No
(b-1) d.f. 80, 95% confidence.
The value of Student's t
(b-2) The z-value is close.
● Yes
O No
(c-1) d.f. = 100, 95% confidence.
The value of Student's t
(c-2) The z-value is close.
● Yes
O No
Transcribed Image Text:2 For each value of d.f. look up the value of Student's t in Appendix D for the stated level of confidence. How close is the t-value to the corresponding z-value (at the bottom of the column for d.f. = 00)? Use Appendix D and Excel to find the value of Student's t for the given level of confidence. (Round your answers to 4 decimal places.) (a-1) d.f. 40, 95% confidence. 9.5 points eBook Print References The value of Student's t (a-2) The z-value is close. O Yes O No (b-1) d.f. 80, 95% confidence. The value of Student's t (b-2) The z-value is close. ● Yes O No (c-1) d.f. = 100, 95% confidence. The value of Student's t (c-2) The z-value is close. ● Yes O No
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